Genetic Drift | CSIR NET Life Sciences | By Dr, Ajit Rai

#csirnet2025 #LifeSciences #CSIRNETDEC2025
🧬 Genetic Drift | Evolutionary Biology | CSIR NET Life Sciences

In this lecture, Dr. Ajit Rai explains Genetic Drift, an important evolutionary force that causes random changes in allele frequencies, especially in small populations. This concept is frequently tested in CSIR NET, GATE, DBT-JRF, and other Life Science exams.

📌 Key Topics Covered:

What is Genetic Drift?

Role of chance events in evolution

Examples of genetic drift in nature & experiments

Comparison: Genetic Drift vs Natural Selection

PYQs & tricks for CSIR NET & GATE

🎯 Best For:
✅ CSIR NET Life Sciences – Unit 8 (Ecology & Evolution)
✅ GATE BT/XL
✅ DBT-JRF, ICMR-JRF
✅ B.Sc. & M.Sc. students of Evolution & Genetics

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